128012960

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{587}}^1$

素因数の和:678

約数の個数: 96

約数和(自身を含む): 320060160

約数和(自身を除く): 192047200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 47, 58, 80, 94, 116, 145, 160, 188, 232, 235, 290, 376, 464, 470, 580, 587, 752, 928, 940, 1160, 1174, 1363, 1504, 1880, 2320, 2348, 2726, 2935, 3760, 4640, 4696, 5452, 5870, 6815, 7520, 9392, 10904, 11740, 13630, 17023, 18784, 21808, 23480, 27260, 27589, 34046, 43616, 46960, 54520, 55178, 68092, 85115, 93920, 109040, 110356, 136184, 137945, 170230, 218080, 220712, 272368, 275890, 340460, 441424, 544736, 551780, 680920, 800081, 882848, 1103560, 1361840, 1600162, 2207120, 2723680, 3200324, 4000405, 4414240, 6400648, 8000810, 12801296, 16001620, 25602592, 32003240, 64006480, 128012960]

約数ペア:

[(1, 128012960), (2, 64006480), (4, 32003240), (5, 25602592), (8, 16001620), (10, 12801296), (16, 8000810), (20, 6400648), (29, 4414240), (32, 4000405), (40, 3200324), (47, 2723680), (58, 2207120), (80, 1600162), (94, 1361840), (116, 1103560), (145, 882848), (160, 800081), (188, 680920), (232, 551780), (235, 544736), (290, 441424), (376, 340460), (464, 275890), (470, 272368), (580, 220712), (587, 218080), (752, 170230), (928, 137945), (940, 136184), (1160, 110356), (1174, 109040), (1363, 93920), (1504, 85115), (1880, 68092), (2320, 55178), (2348, 54520), (2726, 46960), (2935, 43616), (3760, 34046), (4640, 27589), (4696, 27260), (5452, 23480), (5870, 21808), (6815, 18784), (7520, 17023), (9392, 13630), (10904, 11740)]